The Supplements Actually Worth Taking

There are over 80,000 supplement products on the U.S. market. Most of them aren't worth your money. Some use the right ingredients at the wrong doses. Others use unproven ingredients with impressive marketing. And a few are genuinely effective, well-made products backed by clinical research.

Top Supplements cuts through the noise. We rank products in five health categories based on three criteria: evidence (does the active ingredient have human clinical data?), formulation (is it dosed correctly with bioavailable forms?), and value (is the price justified?). Products that don't meet all three don't make our lists.

We also include honest limitations — because no supplement is a miracle, and knowing what a product can't do is as important as knowing what it can. For deeper ingredient research, visit our sister site The Supplement Guide.

What Are Dietary Supplements?

Dietary supplement

A dietary supplement is defined as a product intended to add nutritional value to the diet. Under the Dietary Supplement Health and Education Act (DSHEA) of 1994, supplements are regulated as a category of food — not drugs — and may contain vitamins, minerals, herbs, amino acids, enzymes, or other dietary ingredients. Supplements are not FDA-approved to diagnose, treat, cure, or prevent any disease. Manufacturers are responsible for ensuring safety and accurate labeling before bringing a product to market.

DHT blocker (natural)

A natural DHT blocker refers to a supplement containing botanical ingredients — most commonly saw palmetto extract and beta-sitosterol — that may help reduce the conversion of testosterone to dihydrotestosterone (DHT). DHT is the androgen primarily responsible for follicle miniaturization in androgenetic alopecia. Natural DHT blockers are less potent than prescription 5-alpha reductase inhibitors like finasteride but are available without a prescription and generally associated with fewer side effects.

HGH releaser / secretagogue

An HGH releaser, also called a secretagogue, is a supplement formulated with amino acids (such as L-arginine, L-glutamine, and GABA) intended to support the pituitary gland's natural production of growth hormone. These products are not synthetic growth hormone and do not contain actual HGH. They work within the body's normal hormonal range and are designed to complement lifestyle factors like sleep and exercise that drive endogenous GH output.

Bioavailability-enhanced formulation

Bioavailability refers to the proportion of an ingested substance that reaches systemic circulation and is available for biological activity. Many supplement ingredients — including curcumin, CoQ10, and resveratrol — have poor natural absorption. Bioavailability-enhanced formulations use technologies like phospholipid complexes (Meriva), nanoparticle dispersion (Theracurmin), or lipid-based delivery to increase absorption by 5-30x over standard forms. The formulation type is often more important than the raw ingredient dose.